16 October 2008

It is not a matter of whether early migration from Africa but rather the means of travel.Eureka cites a new research pointing to a nautical means of moving about.

Anne Osborne, lead author on the paper said: "Space-born radar images showed fossil river channels crossing the Sahara in Libya, flowing north from the central Saharan watershed all the way to the Mediterranean. Using geochemical analyses, we demonstrate that these channels were active during the last interglacial period. This provides an important water course across this otherwise arid region.